Health Savings Account vs. Flex Spending Account

What are the key differences of an HSA and an FSA?  Below are some key items to make sure your employees are educated on.  

Contribution Limits
HSA: $3,350 Ind / $6,750 Family
FSA: $2,550

Ownership and control
HSA: You
FSA: Your Employer

Funds Rollover
HSA: Forever
FSA: Up to $500 annually, if adopted by the plan. 

Funds Invested
HSA: Yes
FSA: No

Earnings grow tax-free
HSA: Yes
FSA: No earnings

Contribution changes allowed
HSA: When you want
FSA: No

Withdrawals for non-medical expense
HSA: Allowed at age 65, taxed as income
FSA: Not allowed

Reimbursement Deadlines
HSA: At any time
FSA: Within 90 days of plan year-end